Radiation dose due to atmospheric releases from coal/fired power stations

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Abstract
Individual and population doses, to which human organs are exposed, were analyzed. These doses are due to coal‐fired power plants. The effect includes contamination by inhalation and contamination by digestion of contaminated food (the latter being dependent on the contamination level in soils, vegetation, water and animals). A percentage distribution of radio‐nuclide doses in individual human organs is given. The highest doses, to which the human organism is exposed, are those to bone. This is associated with the high activities of air‐borne 226Ra and 228Ra, and the concentration of these radionuclides in the coal burnt. In addition, bone is the critical organ for 226Ra and 228Ra. The results obtained are compared with admissible ICPRvalues, which are too high and can no longer be representative. Radionuclide doses due to coal‐fired power plants are compared with those due to nuclear power stations. This comparison shows that radioactive contamination caused by coal‐fired power plants is about 30 times higherthan that caused by atomic power stations.

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